diff --git a/the-webpack-way/package-lock.json b/the-webpack-way/package-lock.json
index 9493101..1ffc013 100644
--- a/the-webpack-way/package-lock.json
+++ b/the-webpack-way/package-lock.json
@@ -3326,7 +3326,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3347,12 +3348,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -3367,17 +3370,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3494,7 +3500,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -3506,6 +3513,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -3520,6 +3528,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
@@ -3527,12 +3536,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.1",
             "yallist": "3.0.2"
@@ -3551,6 +3562,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -3631,7 +3643,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -3643,6 +3656,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -3728,7 +3742,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -3764,6 +3779,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -3783,6 +3799,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -3826,12 +3843,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4992,7 +5011,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
         },
@@ -5112,7 +5131,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
         },
@@ -5820,7 +5839,7 @@
         },
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
           "dev": true
         },
@@ -6402,14 +6421,14 @@
       }
     },
     "react-dom": {
-      "version": "16.3.2",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.3.2.tgz",
-      "integrity": "sha512-MMPko3zYncNrz/7gG17wJWUREZDvskZHXOwbttzl0F0L3wDmToyuETuo/r8Y5yvDejwYcRyWI1lvVBjLJWFwKA==",
-      "requires": {
-        "fbjs": "0.8.16",
-        "loose-envify": "1.3.1",
-        "object-assign": "4.1.1",
-        "prop-types": "15.6.1"
+      "version": "16.3.3",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.3.3.tgz",
+      "integrity": "sha512-ALCp7ZbSGkqRDtQoZozKVNgwXMxbxf/IGOUMC2A0yF6JHeZrS8e2cOotPT87Vf4b7PKCuUVKU4/RDEXxToA/yA==",
+      "requires": {
+        "fbjs": "^0.8.16",
+        "loose-envify": "^1.1.0",
+        "object-assign": "^4.1.1",
+        "prop-types": "^15.6.0"
       }
     },
     "read-chunk": {
diff --git a/the-webpack-way/package.json b/the-webpack-way/package.json
index f3f1967..4805ef3 100644
--- a/the-webpack-way/package.json
+++ b/the-webpack-way/package.json
@@ -25,6 +25,6 @@
     "express": "^4.16.3",
     "preact": "^8.2.7",
     "react": "^16.3.2",
-    "react-dom": "^16.3.2"
+    "react-dom": "^16.3.3"
   }
 }